72813117440

Names of 72813117440

• Cardinal: 72813117440 can be written as Seventy-two billion, eight hundred thirteen million, one hundred seventeen thousand, four hundred forty.

Scientific notation

• Scientific notation: 7.281311744 × 10¹⁰

Factors of 72813117440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 29
• Sum of prime factors: 45

Divisors of 72813117440

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 32 35 40 56 62 64 70 80 112 124 128 140 155 160 217 224 248 256 280 310 320 434 448 496 512 560 620 640 868 896 992 1024 1085 1120 1240 1280 1736 1792 1984 2048 2170 2240 2480 2560 3472 3584 3968 4096 4340 4480 4960 5120 6944 7168 7936 8192 8680 8960 9920 10240 13888 14336 15872 16384 17360 17920 19840 20480 27776 28672 31744 32768 34720 35840 39680 40960 55552 57344 63488 65536 69440 71680 79360 81920 111104 114688 126976 131072 138880 143360 158720 163840 222208 229376 253952 262144 277760 286720 317440 327680 444416 458752 507904 524288 555520 573440 634880 655360 888832 917504 1015808 1048576 1111040 1146880 1269760 1310720 1777664 1835008 2031616 2097152 2222080 2293760 2539520 2621440 3555328 3670016 4063232 4194304 4444160 4587520 5079040 5242880 7110656 7340032 8126464 8388608 8888320 9175040 10158080 10485760 14221312 14680064 16252928 16777216 17776640 18350080 20316160 20971520 28442624 29360128 32505856 33554432 35553280 36700160 40632320 41943040 56885248 58720256 65011712 67108864 71106560 73400320 81264640 83886080 113770496 117440512 130023424 142213120 146800640 162529280 167772160 227540992 234881024 260046848 284426240 293601280 325058560 335544320 455081984 469762048 520093696 568852480 587202560 650117120 910163968 1040187392 1137704960 1174405120 1300234240 1820327936 2080374784 2275409920 2348810240 2600468480 3640655872 4550819840 5200936960 7281311744 9101639680 10401873920 14562623488 18203279360 36406558720 72813117440
• Sum of all divisors σ(n): 206158428672
• Sum of proper divisors (its aliquot sum) s(n): 133345311232
• 72813117440 is an abundant number, because the sum of its proper divisors (133345311232) is greater than itself. Its abundance is 60532193792

Bases of 72813117440

• Binary: 1000011110100000000000000000000000000₂
• Hexadecimal: 0x10F4000000
• Base-36: XG71SZK

Squares and roots of 72813117440

• 72813117440 squared (72813117440²) is 5301750071331232153600
• 72813117440 cubed (72813117440³) is 386036950581369383939980918784000
• The square root of 72813117440 is 269839.0584033379
• The cube root of 72813117440 is 4175.7697303581

Scales and comparisons

• 72,813,117,440 seconds is equal to 2,315 years, 12 weeks, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 72,813,117,440 would take you about four thousand, six hundred thirty 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 72813117440 cubic inches would be around 348 feet tall.

Recreational maths with 72813117440

• 72813117440 backwards is 04471131827
• The number of decimal digits it has is: 11
• The sum of 72813117440's digits is 38
• More coming soon!