85209742072

Names of 85209742072

• Cardinal: 85209742072 can be written as Eighty-five billion, two hundred nine million, seven hundred forty-two thousand and seventy-two.

Scientific notation

• Scientific notation: 8.5209742072 × 10¹⁰

Factors of 85209742072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 92

Divisors of 85209742072

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 29 41 49 52 56 58 82 91 98 104 116 164 182 196 203 232 287 328 343 364 377 392 406 533 574 637 686 728 754 812 1066 1148 1189 1274 1372 1421 1508 1624 1681 2009 2132 2296 2378 2401 2548 2639 2744 2842 3016 3362 3731 4018 4264 4459 4756 4802 5096 5278 5684 6724 7462 8036 8323 8918 9512 9604 9947 10556 11368 11767 13448 14063 14924 15457 16072 16646 16807 17836 18473 19208 19894 21112 21853 23534 26117 28126 29848 30914 31213 33292 33614 35672 36946 39788 43706 47068 48749 52234 56252 58261 61828 62426 66584 67228 69629 73892 79576 82369 87412 94136 97498 98441 104468 108199 112504 116522 123656 124852 129311 134456 139258 147784 152971 164738 174824 182819 194996 196882 208936 216398 218491 233044 249704 258622 278516 305942 329476 341243 365638 389992 393764 407827 432796 436982 466088 487403 517244 557032 576583 611884 633737 658952 682486 689087 731276 757393 787528 815654 865592 873964 905177 974806 1034488 1070797 1153166 1223768 1267474 1279733 1364972 1378174 1462552 1514786 1631308 1747928 1810354 1949612 2141594 2306332 2388701 2534948 2559466 2729944 2756348 2854789 3029572 3262616 3620708 3899224 4036081 4283188 4436159 4612664 4777402 5069896 5118932 5301751 5512696 5709578 6059144 6336239 7241416 7495579 8072162 8566376 8872318 8958131 9554804 10237864 10603502 11419156 12672478 14991158 16144324 16720907 17744636 17916262 19109608 19983523 21207004 22838312 25344956 28252567 29982316 31053113 32288648 33441814 35489272 35832524 37112257 39967046 42414008 50689912 52469053 56505134 59964632 62106226 66883628 71665048 74224514 79934092 104938106 113010268 117046349 124212452 133767256 148449028 159868184 209876212 217371791 226020536 234092698 248424904 259785799 296898056 367283371 419752424 434743582 468185396 519571598 734566742 819324443 869487164 936370792 1039143196 1469133484 1521602537 1638648886 1738974328 2078286392 2938266968 3043205074 3277297772 6086410148 6554595544 10651217759 12172820296 21302435518 42604871036 85209742072
• Sum of all divisors σ(n): 212842879200
• Sum of proper divisors (its aliquot sum) s(n): 127633137128
• 85209742072 is an abundant number, because the sum of its proper divisors (127633137128) is greater than itself. Its abundance is 42423395056

Bases of 85209742072

• Binary: 1001111010110111001010111101011111000₂
• Hexadecimal: 0x13D6E57AF8
• Base-36: 1357OHRS

Squares and roots of 85209742072

• 85209742072 squared (85209742072²) is 7260700143976766853184
• 85209742072 cubed (85209742072³) is 618682386530393567920287731957248
• The square root of 85209742072 is 291907.0778038793
• The cube root of 85209742072 is 4400.4431728547

Scales and comparisons

• 85,209,742,072 seconds is equal to 2,709 years, 21 weeks, 20 hours, 47 minutes, 52 seconds.
• To count from 1 to 85,209,742,072 would take you about five thousand, four hundred eighteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 85209742072 cubic inches would be around 366.7 feet tall.

Recreational maths with 85209742072

• 85209742072 backwards is 27024790258
• The number of decimal digits it has is: 11
• The sum of 85209742072's digits is 46
• More coming soon!