139447394240

Names of 139447394240

• Cardinal: 139447394240 can be written as One hundred thirty-nine billion, four hundred forty-seven million, three hundred ninety-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3944739424 × 10¹¹

Factors of 139447394240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 182617

Divisors of 139447394240

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 31 32 35 40 44 55 56 62 64 70 77 80 88 110 112 124 140 154 155 160 176 217 220 224 248 280 308 310 320 341 352 385 434 440 448 496 560 616 620 682 704 770 868 880 992 1085 1120 1232 1240 1364 1540 1705 1736 1760 1984 2170 2240 2387 2464 2480 2728 3080 3410 3472 3520 4340 4774 4928 4960 5456 6160 6820 6944 8680 9548 9920 10912 11935 12320 13640 13888 17360 19096 21824 23870 24640 27280 34720 38192 47740 54560 69440 76384 95480 109120 152768 182561 190960 365122 381920 730244 763840 912805 1277927 1460488 1825610 2008171 2555854 2920976 3651220 4016342 5111708 5659391 5841952 6389635 7302440 8032684 10040855 10223416 11318782 11683904 12779270 14057197 14604880 16065368 20081710 20446832 22637564 25558540 28114394 28296955 29209760 32130736 39615737 40163420 40893664 45275128 51117080 56228788 56593910 58419520 62253301 64261472 70285985 79231474 80326840 81787328 90550256 102234160 112457576 113187820 124506602 128522944 140571970 158462948 160653680 181100512 198078685 204468320 224915152 226375640 249013204 281143940 311266505 316925896 321307360 362201024 396157370 408936640 435773107 449830304 452751280 498026408 562287880 622533010 633851792 642614720 792314740 871546214 899660608 905502560 996052816 1124575760 1245066020 1267703584 1584629480 1743092428 1811005120 1992105632 2178865535 2249151520 2490132040 2535407168 3169258960 3486184856 3984211264 4357731070 4498303040 4980264080 6338517920 6972369712 8715462140 9960528160 12677035840 13944739424 17430924280 19921056320 27889478848 34861848560 69723697120 139447394240
• Sum of all divisors σ(n): 427352813568
• Sum of proper divisors (its aliquot sum) s(n): 287905419328
• 139447394240 is an abundant number, because the sum of its proper divisors (287905419328) is greater than itself. Its abundance is 148458025088

Bases of 139447394240

• Binary: 10000001110111101101100101111111000000₂
• Hexadecimal: 0x2077B65FC0
• Base-36: 1S27DM0W

Squares and roots of 139447394240

• 139447394240 squared (139447394240²) is 19445575760325985177600
• 139447394240 cubed (139447394240³) is 2711634869273965405977183617024000
• The square root of 139447394240 is 373426.5580271441
• The cube root of 139447394240 is 5185.6531832727

Scales and comparisons

• 139,447,394,240 seconds is equal to 4,433 years, 51 weeks, 5 days, 11 hours, 17 minutes, 20 seconds.
• To count from 1 to 139,447,394,240 would take you about eight thousand, eight hundred sixty-seven 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 139447394240 cubic inches would be around 432.1 feet tall.

Recreational maths with 139447394240

• 139447394240 backwards is 042493744931
• The number of decimal digits it has is: 12
• The sum of 139447394240's digits is 50
• More coming soon!