1664489997920

Names of 1664489997920

• Cardinal: 1664489997920 can be written as One trillion, six hundred sixty-four billion, four hundred eighty-nine million, nine hundred ninety-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.66448999792 × 10¹²

Factors of 1664489997920

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 103

Divisors of 1664489997920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 37 40 59 74 80 118 148 160 185 236 295 296 370 472 590 592 740 944 1180 1184 1369 1480 1888 2183 2360 2738 2960 3481 4366 4720 5476 5920 6845 6962 8732 9440 10915 10952 13690 13924 17405 17464 21830 21904 27380 27848 34810 34928 43660 43808 50653 54760 55696 69620 69856 80771 87320 101306 109520 111392 128797 139240 161542 174640 202612 205379 219040 253265 257594 278480 323084 349280 403855 405224 410758 506530 515188 556960 643985 646168 807710 810448 821516 1013060 1026895 1030376 1287970 1292336 1615420 1620896 1643032 2026120 2053790 2060752 2575940 2584672 2988527 3230840 3286064 4052240 4107580 4121504 4765489 5151880 5977054 6461680 6572128 7599023 8104480 8215160 9530978 10303760 11954108 12923360 14942635 15198046 16430320 19061956 20607520 23827445 23908216 29885270 30396092 32860640 37995115 38123912 47654890 47816432 59770540 60792184 75990230 76247824 95309780 95632864 119541080 121584368 151980460 152495648 176323093 190619560 239082160 243168736 281163851 303960920 352646186 381239120 478164320 562327702 607921840 705292372 762478240 881615465 1124655404 1215843680 1405819255 1410584744 1763230930 2249310808 2811638510 2821169488 3526461860 4498621616 5623277020 5642338976 7052923720 8997243232 10403062487 11246554040 14105847440 20806124974 22493108080 28211694880 41612249948 44986216160 52015312435 83224499896 104030624870 166448999792 208061249740 332897999584 416122499480 832244998960 1664489997920
• Sum of all divisors σ(n): 4111269825600
• Sum of proper divisors (its aliquot sum) s(n): 2446779827680
• 1664489997920 is an abundant number, because the sum of its proper divisors (2446779827680) is greater than itself. Its abundance is 782289829760

Bases of 1664489997920

• Binary: 11000001110001011010101011100011001100000₂
• Hexadecimal: 0x1838B55C660
• Base-36: L8NMDA3K

Squares and roots of 1664489997920

• 1664489997920 squared (1664489997920²) is 2770526953175721604326400
• 1664489997920 cubed (1664489997920³) is 4611514402528760790579748599001088000
• The square root of 1664489997920 is 1290151.1531289657
• The cube root of 1664489997920 is 11851.1473140533

Scales and comparisons

• 1,664,489,997,920 seconds is equal to 52,925 years, 32 weeks, 6 days, 12 hours, 45 minutes, 20 seconds.
• To count from 1 to 1,664,489,997,920 would take you about one hundred thirty-two thousand, three hundred fourteen 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 1664489997920 cubic inches would be around 987.6 feet tall.

Recreational maths with 1664489997920

• 1664489997920 backwards is 0297999844661
• 1664489997920 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1664489997920's digits is 74
• More coming soon!